Date post: | 12-Apr-2017 |
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Engineering |
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© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
proHolz / Holzcluster Steiermark
"SOS – School without Stress“ (from German „Schule ohne Stress“)
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
The initial situation
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
• Powerful "concrete lobby"
• IBO survey: solid building materials rated as "Category 0"
• BUT:
Untreated solid timber elements as well as windows and doors
made from wood rated as "Category 1"
Initial situation
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Initial situation
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
• The Idea to demonstrate the advantages of the building material
wood with a study project
Initial situation
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Results of the pine study:
• Significant reduction in cardiac workload after sleeping in a bed made
from pine wood (3,500 heartbeats / night)
• Lasting positive effect also noticeable during daytime
Relevant previous projects: Pine study
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Results of the spruce study:
• Significant advantages of the spruce room regarding
HRV-parameters and heart rate in 25.6 % of the test phases
• Lower stress level in the spruce room, especially in the relax phase
and after power nap
• Significant advantages of the spruce room under conditions of
stress (mental stress was perceived less strenuous)
Relevant previous projects: Spruce study
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
SOS – project and results
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
SOS –
project partners
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Secondary school in Haus im Ennstal
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Wood classroom Standard classroom
SOS – Classrooms
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SOS – Classroom interiors
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
• Corridor wall: 33 m²
(spruce, unfinished)
• Parquet floor: 63 m²
(oak, proActive)
• Ceiling: 63 m²
(fir, unfinished)
• Cupboard: 600 x 100 x 46 cm
(pine/beech)
• Pin board: 600 x 100 cm
(soft fibre board with fabric coating)
SOS – Materials used in wood classrooms
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Duration of the study: approx. 1 year
submission, funding,
planning, information, PR
modification,
measurement
period 1
measurement period 2,
information event, PR
measure-
ment
period 3,
analysis
SOS – Timeline
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
• 7 measurement dates (ECG measurement, questionnaires)
• 4 classrooms
• 54 test persons
SOS – Design of the study
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
SOS – Measuring device and method
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AUSTRO-Mir 1991:
Space device Kymo and
sensor jacket
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Sensor housing made from Styrian wood
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Examples from the analyses
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„bad“ night „good“ night
Examples from the analyses
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Physiological results of
the SOS study
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Daily variation:
Heart rate standard classroom vs. wood
classroom
8,600 heartbeats per day saved!
Standard classroom Wood classroom
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Daily variation:
Vagus nerve standard classroom vs. wood
classroom
Standard classroom Wood classroom
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Psychological results of
the SOS study
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Social stress of pupils caused by teachers
remains stable
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Conflict potential decreases in wood classrooms but increases in standard classrooms!
Conflicts and subjective quality of sleep
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Fewer concentration problems in wood classrooms!
Grades and concentration performance
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• Heart rate:
... in awake state; decreases in "Wood classroom" group (test
group) but increases in "Standard classroom" group (control
group)
• Vagus nerve activity (cardioprotective value):
... in awake state, increases in test group but decreases in
control group
... during night time; remains unchanged in test group but
decreases in control group
• Social stress of pupils caused by teachers:
... remains unchanged in test group but increases in
control group
• School performance and concentration skills:
... less mistakes due to lack of concentration in test group
Summary of the results
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Effects of the results on other fields
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What do these results mean for the
education sector?
• Proof that schools made from wood provide a stress-free
environment for pupils and teachers:
- Less aggression among pupils
- More willingness to learn and less mistakes due to lack of
concentration and / or focus
- Higher teaching quality due to less behavioural problems
- Probably reduced burnout risk for pupils and teachers
way© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
Impressions from the wood classroom
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Impressions from the wood classroom
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Impressions from the wood classroom
© proHolz Steiermark . Graz . Zeltweg . www.proholz-stmk.at . [email protected]
www.proholz-stmk.at
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